Open WeUpsell Dashboard
Start by logging into your Shopify admin panel and navigating to the WeUpsell Dashboard.
Go to Templates
Once you’re in the dashboard, find and click on the Templates section.
Choose Create Your Own Template
Click on "Create Your Own" Template
Customize the Widget
You can adjust the template's height and width, customize the background design, and add animations.
Additionally, you can personalize the widget by adding backgrounds, buttons, text boxes, headings, and more by accessing the "Add" section in the left panel.
For more information about widget styling, refer this.
Save and Publish
Once you are satisfied, click on Save and Publish to set the widget live on your store.